Records of Bioluminescence — Boden and Kampa 
233 
IRRADI ANCE IN jJWATTS/cm 2 
Fig. 2. Tracings of irradiance record at four different wave lengths as determined by bathyphotometer using 
interference filters. Insets show measured transmission curves of filters used. The records were made at the follow- 
ing times: 630 m/x — 0020 hrs.; 552 m/x — 0030 hrs.; 491 m/x — 0044 hrs.; 418 m /x — 0058 hrs.; all on June 10, south- 
west of Oahu. 
